Screen Size: 3.0 Inches, Color: Black, Item Size: 115x 79x 20.5mm / 4.53x 3.11x 0.81in, Package Weight: 170g / 6ounces, Battery Capacity: 3.V/1020mAh (Included), Blue (Optional), Yellow, Package Size: 140x 100x 60mm / 5.51x 3.94x 2.36in, Red, Material: ABS.
Check coupons or create price alert down below. Best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($16.62): BGVDGA07
2. ($17.19): Cuponation9
3. ($17.76): BG00c906
you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BgcLuBofErtA10, BGYSUP2, 13f142, BGAFF10OFF, BG33f445, BGHONEY2110, BGVDGC12, BGAlerabat5, 8Couponsde, MVC8SPRING, 8BGwbg2204, 2203ActiesNL, tRaDetRaCKeR, 8wEbgaInS5, pROMo8cuPoN, BGVGAMES
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Here is price history (for all/most countries) for SUP II 3.0 Inch 8-Bit 500 Games Game Console. The lowest price was: $9.99.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).